This project was originally curated in 2010 and enhanced in 2011. Metadata were reviewed and if necessary corrected, visualization files were added. Additional documentation if missing was supplemented. This project may contain files that were not contributed by the original research team during their project.

Complete - 08/31/2011

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University of California at Davis and Stanford University, CA, United States
University of California, Berkeley, CA, United States
University of California, Davis, CA, United States

Description:

During earthquakes structural elements such as bracing members undergo a phenomenom called Ultra-Low Cycle Fatigue (ULCF), which is characterized by very few (ack of suitable micro-scale models to simulate ULCF and the computational requirements necessary... (more)

During earthquakes structural elements such as bracing members undergo a phenomenom called Ultra-Low Cycle Fatigue (ULCF), which is characterized by very few (ack of suitable micro-scale models to simulate ULCF and the computational requirements necessary implement the models for studying large structural components. This research aims to (1) identify and quantify the underlying failure mechanisms of earthquake-induced ULCF, (2) develop and implement models to simulate ULCF in steel structures (3) conduct large scale subassembly tests at earthquake loading rates to verify and demonstrate the models (4) apply the ULCF models to develop practical guidelines and recommendations for earthquake resistant design. (hide)